The Gravelking SK Plus enhances protection precisely where it's needed, ideal for navigating the most challenging terrain. Ideal for gravel, dirt, and rough pavement. TuffTex+ increases tire resilience with a dual layer of bead-to-bead TuffTex material, providing additional puncture resistance and heightened security in the most challenging conditions. BeadLock is engineered to accommodate a broader range of rims, including both hookless and clincher types. In most instances, mounting the tire can be effortlessly achieved with a standard floor pump. ZSG GRAVEL Compound is crafted from a proprietary ZSG (Zero Slip Grip) material to ensure remarkable resistance to temperature and weather fluctuations. This consistent rubber performance across a spectrum of temperatures provides lower rolling Resistance and improved grip. Folding (Aramid) Bead. Tubeless and Hookless Compatible. Tubeless Ready up to 60 PSI. Item Specifications: Flat Protection: Tread and Sidewall, Color: Black, Defined Color: Black, ISO Width (mm): 48, ISO Diameter: 584 / 650b / 27.5", Tire Intended Use: Gravel, Tire Diameter: 650b, Tire Diameter: 27.5", Tire Bead: Folding, Labeled Size: 650b x 48 / 27.5 x 1.90, Tire Type: Tubeless Ready Clincher, PSI: 60 / 80,